As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. FOUND LT TCV CIRCUIT BREAKER OPEN P6-4 PANEL. INSPECTED & VERIFIED DISCREPANCY. PERFORMED LT CONTROLLER, LT TEMP CONTROL FAILS 21-51-00, FAULTS LOGGED TCV. R & R LT PACK TCV LEAK & OPS NORMAL, IAW MM 21-51-10. PACK/ZONE TEMP BITE TEST CHECKED GOOD IAW MM 21-61-00.